Female connector, male connector, and connection device

Abstract

Disclosed are a female connector, a male connector, and a connection device. The female connector is coupled to the male connector for connecting the first article to the second article. A pair of elastic walls of the female connector can elastically deform outward when the elastic walls are pressed outward by a head portion of the male connector inserted downward, so that the pair of abutting ends allow the head portion to pass between the pair of abutting ends, and can abut against a abutting portion of the male connector after the head portion has passed between a pair of abutting ends of the elastic walls so as to prevent the head portion from being pulled out upward. The way provided by the present disclosure is beneficial to improving the service life of the male connector of the connection device.

What is claimed is: 
     
         1 . A female connector, configured to be fixed to a first article and be coupled to a male connector fixed to a second article, so as to connect the first article to the second article, wherein the female connector comprises:
 a main body portion, comprising a pair of side walls spaced apart in a width direction to define, between the pair of side walls, an insertion groove for an insertion portion of the male connector to be inserted, and the insertion portion comprising, downward in sequence, an abutting portion and a head portion; and   a pair of elastic walls, extending downward and inward respectively from the pair of side walls to respectively form a pair of abutting ends extending in the insertion groove, wherein the pair of elastic walls are configured to be capable of elastically deforming outward when the pair of elastic walls are pressed outward by the head portion inserted in downward, such that the pair of abutting ends allow the head portion to pass between the pair of abutting ends, and is capable of abutting against the abutting portion after the head portion has passed between the pair of abutting ends so as to prevent the head portion from being pulled out upward.   
     
     
         2 . The female connector according to  claim 1 , wherein each elastic wall has a cross section shape of an arc which is convex outward. 
     
     
         3 . The female connector according to  claim 2 , wherein a curvature of each elastic wall increases downward. 
     
     
         4 . The female connector according to  claim 1 , wherein a thickness of each elastic wall decreases downward. 
     
     
         5 . The female connector according to  claim 1 , wherein the female connector further comprises a plurality of coupling portions, and the plurality of coupling portions extends outward from an outer side surface of the main body portion and/or extends outward from two outer side surfaces of the pair of elastic walls. 
     
     
         6 . The female connector according to  claim 5 , wherein an upper side surface of each coupling portion extends outward while extending downward. 
     
     
         7 . The female connector according to  claim 5 , wherein the plurality of coupling portions comprise a pair of first coupling portions, the pair of first coupling portions extend outward from the two outer side surfaces of the pair of elastic walls respectively, and an end surface of each abutting end extends outward while extending downward. 
     
     
         8 . The female connector according to  claim 7 , wherein the plurality of coupling portions further comprises a pair of second coupling portions, and the pair of second coupling portions extend outward respectively from two outer side surfaces of the pair of side walls. 
     
     
         9 . The female connector according to  claim 8 , wherein each first coupling portion and a corresponding second coupling portion are located on a same side of the female connector in the width direction, the first coupling portion and the second coupling portion are substantially flush in a height direction and are spaced apart from each other in a length direction, an end portion, of the first coupling portion, away from the second coupling portion gradually extends inward while extending away from the second coupling portion in the length direction, and an end portion, of the second coupling portion, away from the first coupling portion gradually extends inward while extending away from the first coupling portion in the length direction. 
     
     
         10 . The female connector according to  claim 5 , wherein the female connector further comprises a pair of end walls, the pair of end walls are respectively located at two ends of the pair of side walls in a length direction, each end wall extends between the pair of side walls, the plurality of coupling portions further comprise at least one third coupling portion, and the at least one third coupling portion extends outward respectively from at least one outer side surface of at least one end wall, wherein the pair of end walls comprises a first end wall and a second end wall, the at least one the third coupling portion is one third coupling portion, the third coupling portion extends outward from an outer side surface of the first end wall, an outer side surface of the second end wall is provided with a plurality of convex strip portions, and outer side surfaces of the plurality of convex strip portions together define a cylindrical surface. 
     
     
         11 . The female connector according to  claim 1 , wherein the insertion groove is configured to allow the insertion portion to slide between a first position and a second position relative to the female connector in a length direction, such that when the insertion portion is located at the first position, the pair of abutting ends abut against the abutting portion, and when the insertion portion is located at the second position, the pair of abutting ends does not abut against the abutting portion, so as to allow the insertion portion to be pulled out upwards from the insertion groove. 
     
     
         12 . The female connector according to  claim 1 , wherein the female connector further comprises a skirt portion which is located at an upper end of the main body portion and extends outward from an outer side surface of the main body portion. 
     
     
         13 . The female connector according to  claim 12 , wherein the skirt portion and the main body portion together define a guide surface, the guide surface extends inward while extending downward from an upper side surface of the skirt portion to an inner side surface of the main body portion, and an upper edge of the guide surface is located further outward than the outer side surface of the main body portion. 
     
     
         14 . A male connector, configured to be coupled to the female connector according to  claim 1  fixed to a first article, so as to connect a second article fixed to the male connector to the first article, wherein the male connector comprises an insertion portion, the insertion portion comprises, downward in sequence, an abutting portion and a head portion; the head portion is capable of pressing, by inserting downward into the insertion groove of the female connector, the pair of elastic walls of the female connector to make the pair of elastic walls elastically deform outward, such that the pair of abutting ends of the pair of elastic walls allow the head portion to pass through the pair of abutting ends, and is capable of abutting against the abutting portion after the head portion has passed through the pair of abutting ends so as to prevent the head portion from being pulled out upward. 
     
     
         15 . The male connector according to  claim 14 , wherein the abutting portion comprises a pair of abutting surfaces, the pair of abutting surfaces are respectively located on two opposite sides of the abutting portion in the width direction, and each abutting surface extends outward while extending downward. 
     
     
         16 . The male connector according to  claim 14 , wherein the abutting portion comprises a plurality of step portions arranged in a downward direction, the plurality of step portions have widths increasing in successive order in the downward direction, and each step portion is provided with the pair of abutting surfaces. 
     
     
         17 . The male connector according to  claim 16 , wherein a plurality of abutting surfaces, of the plurality of step portions, on each side of the insertion portion in the width direction respectively have a plurality of included angles relative to a reference plane perpendicular to a height direction, and the plurality of included angles decreases in successive order in the downward direction. 
     
     
         18 . The male connector according to  claim 14 , wherein the insertion portion further comprises an widening portion, and the widening portion is located at an end of the insertion portion in a length direction and is connected to a whole of the abutting portion and the head portion; the insertion groove is configured to allow the insertion portion to slide between a first position and a second position relative to the female connector in the length direction; when the insertion portion is located at the first position, the pair of abutting ends abut against the abutting portion; when the insertion portion is located at the second position, the pair of abutting ends does not abut against the abutting portion, so as to allow the insertion portion to be pulled out upward from the insertion groove; the widening portion is configured to push apart the pair of abutting ends when the insertion portion is located at the second position. 
     
     
         19 . A connection device, wherein the connection device comprises:
 the female connector according to  claim 1 , configured to be fixed to the first article; and   a male connector, configured to be fixed to a second article, and comprising an insertion portion suitable for being inserted into the insertion groove of the female connector, wherein the insertion portion comprises, downward in sequence, an abutting portion and a head portion; the pair of elastic walls of the female connector are configured to be capable of elastically deforming outward when the pair of elastic walls are pressed by the head portion being inserted downward, so that the pair of abutting ends of the pair of elastic walls allow the head portion to pass between the pair of abutting ends, and is capable of abutting against the abutting portion after the head portion has passed between the pair of abutting ends so as to prevent the head portion from being pulled out upward.   
     
     
         20 . The connection device according to  claim 19 , wherein the first article is provided with a mounting groove extending downward from an upper surface of the first article, the mounting groove comprises a coupling section, and the coupling section is provided with a coupling groove recessed outward; the female connector comprises a pair of first coupling portions, and the pair of first coupling portions extend outward respectively from two outer side surfaces of the pair of elastic walls, so as to be suitable for being received by the coupling groove to prevent the female connector from being pulled out upward from the mounting groove;
 the abutting portion comprises a pair of abutting surfaces, the pair of abutting surfaces are respectively located on two opposite sides of the abutting portion in the width direction, the pair of abutting surfaces are configured to correspond to two end surfaces of the pair of abutting ends of the pair of elastic walls respectively; an end surface of each abutting end extends outward while extending downward, so as to be suitable for abutting against a corresponding abutting surface which extends outward while extending downward; in a cross-sectional view, an included angle between a connecting line from the abutting surface to an outer end of a corresponding first coupling portion and the abutting surface ranges from 70 degrees to 100 degrees.